<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<script>
    let number = 123456789;
    let arr = number.toString();
    console.log(number);
    console.log(arr);



    let currentClientWidth = document.documentElement.clientWidth;
    console.log((currentClientWidth - 200).toString() + 'px');
</script>
</body>
</html>
